9x9 Sudokus bore you? Find out if you are ready for the ultimate challenge: 16x16 Sudokus.

This is for highly advanced Sudoku Players only.

- Play 4x4, 9x9 and 16x16 Sudokus - and unlock the ultimate challenge
- Touch-Screen, Trackball and Keyboard support
- Pencil in functionality
- Resume games where you left off
- Ease to understand tutorial
- Optimized for phones and tablets
- Solve the build in challenge of 30 Sudokus, and play an unlimited number of Sudokus in Free Play mode (Sudoku generator)
- Portrait or landscape mode (just turn your device)

Not recommended for beginners.

Free, with ads.

With downloading the game, you explicitly agree to the Terms of Usage set forth at: http://www.apptebo.com/game_tou.html